Finding the Fourth Proportional to 125,792.68, 173,593.56 and 75,491.68
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Solution
The fourth proportional to 125,792.68, 173,593.56 and 75,491.68 is: 104,178.32
Step by Step Solution
- Step 1: Write the proportion equation
125,792.68 : 173,593.56 = 75,491.68 : x - Step 2: Convert to fraction form
125,792.68/173,593.56 = 75,491.68/x - Step 3: Cross multiply
125,792.68x = 173,593.56 × 75,491.68 - Step 4: Simplify right side
125,792.68x = 13,104,869,481.58 - Step 5: Solve for x
x = 13,104,869,481.58/125,792.68 - Step 6: Final answer
x = 104,178.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.